Leap Years in all languages in chars. Cheevos Holes Recent Holes Langs Medals Misc All Holes 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Morse Decoder Morse Encoder Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir F# Factor Forth Fortran Gleam Go GolfScript Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir F# Factor Forth Fortran Gleam Go GolfScript Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig Experimental Language 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Vala Vyxal Hole All 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Morse Decoder Morse Encoder Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 822nd mad4j 🇮🇹 878 65 4 Jul 2021 822nd voytxt 🇨🇿 878 65 16 May 2022 822nd stefangimmillaro 878 65 9 Jun 2023 822nd r-brinke 🇳🇱 878 65 27 Dec 2023 822nd 77Tigers 878 65 11 Apr 2024 822nd mousetail 🇳🇱 878 65 8 Nov 2024 832nd PhysicDev 🇫🇷 878 108 27 May 2021 832nd FrederikHutfless 🇩🇪 878 108 12 Jan 2023 832nd lukashert 878 108 1 Mar 2023 832nd msbranicky 878 108 9 Jan 2024 832nd lordsnek 878 108 26 Jan 2024 832nd HumanoidCPU 878 108 19 Feb 2024 832nd Jacob385 878 108 27 Feb 2024 832nd Fishyfii 878 108 17 Dec 2024 840th sean-niemann 🇺🇸 877 48 29 Oct 2022 840th Lydxn 🇨🇦 877 48 30 Oct 2022 840th inventshah 877 48 30 Oct 2022 840th MeWhenI 🇻🇦 877 48 2 Nov 2022 840th Steffan153 🇫🇮 877 48 26 Dec 2022 840th DialFrost 🇸🇬 877 48 8 Nov 2023 840th dokutan 877 48 25 Sep 2024 847th sean-niemann 🇺🇸 876 47 20 Mar 2022 847th MeWhenI 🇻🇦 876 47 10 Oct 2022 847th Steffan153 🇫🇮 876 47 9 Feb 2023 847th DialFrost 🇸🇬 876 47 8 Nov 2023 847th dokutan 876 47 25 Sep 2024 852nd inventshah 876 50 9 Sep 2022 852nd janbehrens 🇩🇪 876 50 14 Sep 2022 854th GrayJoKing 🇦🇺 876 57 16 Jul 2023 855th DialFrost 🇸🇬 876 109 7 Mar 2025 855th MeWhenI 🇻🇦 876 109 28 Mar 2025 857th Re-Adventures 🇮🇳 875 81 2 Jan 2022 857th Betuaredead 875 81 4 Jan 2023 857th aksyristos 875 81 30 Jan 2023 857th CatsAreFluffy 875 81 19 Feb 2023 857th namcartoon06 875 81 30 Jun 2023 857th Herbert00709 🇵🇱 875 81 17 Nov 2023 857th HumanoidCPU 875 81 19 Feb 2024 864th somebody1234 874 26 5 Dec 2018 864th AlexDaniel 🇪🇪 874 26 5 Apr 2020 866th Steffan153 🇫🇮 874 39 26 Dec 2022 866th Alessandro-Balconi 🇮🇹 874 39 26 Dec 2022 868th Yewzir 🇧🇪 874 55 29 Mar 2024 869th 4hg 🇺🇸 873 45 13 Sep 2023 869th chunes3 🇺🇸 873 45 13 Sep 2023 869th Bubbler-4 873 45 13 Sep 2023 869th Steffan153 🇫🇮 873 45 13 Sep 2023 869th GolfingSuccess 🇬🇷 873 45 28 Sep 2023 869th Lydxn 🇨🇦 873 45 28 Sep 2023 869th Yewzir 🇧🇪 873 45 5 Mar 2024 876th oparisblue 873 46 24 Mar 2019 876th mrxz 🇳🇱 873 46 23 Jun 2019 876th alexkunin 873 46 3 Jul 2019 876th EFHIII 873 46 16 Aug 2020 876th yzhs 🇩🇪 873 46 20 Aug 2020 876th hyvyys 873 46 18 Sep 2020 876th bastienvoirin 🇫🇷 873 46 28 Nov 2020 876th Re-Adventures 🇮🇳 873 46 25 Mar 2021 876th PGPereira 873 46 27 Mar 2021 876th con-cs 873 46 18 Oct 2021 876th ledietz 873 46 16 Feb 2022 876th zakariamouhid 873 46 20 May 2023 876th adriweb 🇫🇷 873 46 28 Aug 2023 876th stellartux 873 46 27 Dec 2023 876th itserasmus 873 46 26 Jan 2024 876th HumanoidCPU 873 46 19 Feb 2024 876th olleicua 🇺🇸 873 46 20 Feb 2024 876th rollershutter 873 46 4 Jul 2024 876th deancureton 873 46 29 Dec 2024 876th duckyluuk 🇳🇱 873 46 22 Jan 2025 876th acer-xq 873 46 4 Feb 2025 876th BalaM314 873 46 8 Feb 2025 898th nwellnhof 🇩🇪 873 88 3 Sep 2020 898th MeWhenI 🇻🇦 873 88 9 Feb 2023 898th sean-niemann 🇺🇸 873 88 17 Jun 2023 Prev 826–900 of 4,482 Next